Alright, let's work through 4245 times 9860 step by step
4245 × 9860 = 9860 × (4245)
+ 9860 × 5 which equals 49300
+ 9860 × 40 producing 394400
+ 9860 × 200 that is equal 1972000
+ 9860 × 4000 that is equal 39440000

= 41855700
